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Finding the Fourth Proportional to 441,879.12, 609,810.80 and 250,910.28

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Solution

The fourth proportional to 441,879.12, 609,810.80 and 250,910.28 is: 346,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,879.12 : 609,810.80 = 250,910.28 : x
  2. Step 2: Convert to fraction form
    441,879.12/609,810.80 = 250,910.28/x
  3. Step 3: Cross multiply
    441,879.12x = 609,810.80 × 250,910.28
  4. Step 4: Simplify right side
    441,879.12x = 153,007,797,320.47
  5. Step 5: Solve for x
    x = 153,007,797,320.47/441,879.12
  6. Step 6: Final answer
    x = 346,266.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.